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Peanut butter brownie bars sliced and stacked 3 high next to more bars.
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Peanut Butter Brownie Bars

These Peanut Butter Brownie Bars have a simple homemade brownie on the bottom with a creamy peanut butter filling and a dark chocolate ganache topping. A decadent and rich dessert everyone is going to love, especially the chocolate and peanut butter lovers!
Course: Dessert
Cuisine: American
Keyword: peanut butter brownie bars
Prep Time: 20 minutes
Cook Time: 20 minutes
plus cooling and chilling: 1 hour 15 minutes
Servings: 24
Author: Heather

Ingredients

Brownie Batter

Peanut Butter Filling

Chocolate Ganache Topping

Instructions

  • Preheat oven to 350°F and line a 9x13 baking dish with parchment paper and lightly grease the sides.
  • To make the brownies, in a large mixing bowl whisk together the melted butter and cocoa powder until smooth.
  • Add the sugar and mix until well combined.
  • Add the eggs and vanilla extract and whisk until fully incorporated and smooth.
  • Stir in the flour just until combined.
  • Spread batter evenly into baking dish. Bake for 20-25 minutes and until the edges are just starting to pull away from the sides and the middle is no longer glossy looking.
  • Let brownies cool for 15-20 minutes and start the peanut butter filling.
  • In a stand mixer or with hand beaters, beat together the melted butter, peanut butter, vanilla, and powdered sugar until everything is evenly combined.
  • Drop dollops of peanut butter filling on top of the brownies. Spread it out evenly with your fingertips or off set spatula to cover all the brownies.
  • In a microwave safe bowl, melt the chocolate chips and cream together for 30 seconds, stir. Melt in 10 second intervals after that if needed.
  • Spread the chocolate over the peanut butter filling evenly. Work quickly, the ganache will set fast.
  • Chill in refrigerator for at least one hour before serving.
  • Slice and serve!

Nutrition

Serving: 1bar | Calories: 478kcal | Carbohydrates: 52g | Protein: 8g | Fat: 28g | Saturated Fat: 15g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 8g | Trans Fat: 1g | Cholesterol: 70mg | Sodium: 221mg | Potassium: 252mg | Fiber: 2g | Sugar: 38g | Vitamin A: 497IU | Vitamin C: 1mg | Calcium: 64mg | Iron: 1mg
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